with flying colors

US /wɪθ ˌflaɪ.ɪŋ ˈkʌl.ərz/
UK /wɪθ ˌflaɪ.ɪŋ ˈkʌl.ərz/
"with flying colors" picture
1.

with great success

:
She passed her exams with flying colors.
The team completed the project with flying colors.